Coating Technology
01
- Antireflection Coating
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- Average Reflectance of 0.5% @ 420 nm ~ 680 nm
- AR Coating Reflectance of 0.01% @ 1064 nm, 1550 nm
- AR Coating Reflectance of 0.25% @ 193 nm, 248 nm, 308 nm
02
- Dichroic Mirror
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- Reflection of 99.96% @ 1064 nm
- Reflection of 99.5% @ 248 nm, 308 nm, 355 nm, 532 nm, 633 nm
03
- Dichroic Filter
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- Long Pass Filter Type Dichroic Filter
- Short Pass Filter Type Dichroic Filter
- Band Pass Filter Type Dichroic Filter
04
- Band Pass Filter
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- Narrow Band Pass Filter with a half value of 7 nm (365 nm)
- Visible wide Band pass Filter
- Near infrared wide Band Pass Filter
05
- Infrared Antireflection
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- Average Reflectance of 0.5% @ 3 um ~ 5 um
- Average Reflectance of 1.0% @ 8 um ~ 12 um
06
- Beam Splitter
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- Reflects 70% and Transmits 30% ± 3% AOI 45 @ VIS Plate & Qube Types
- Reflects 30% and Transmits 70% ± 3% AOI 45 @ VIS Plate & Qube Types
- Reflects 50% and Transmits 50% ± 3% AOI 45 @ VIS Plate & Qube Types
- Reflects Avg 80% AOI 45 @ 550 ~ 900 nm &Transmits Avg 90% AOI 45 @ 3.6 ~ 4.9 um QubeTypes
07
- ND Filter
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- Transmittance in the visible light range of 10%, 30%. or 90%
08
- ND Metal Film Coating
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- Gold Mirrors have 96% @ 500-800 nm Reflectivity
- Silver Mirrors have 98% @ 500-800 nm Reflectivity
- AL Coating. eflectivity of about 85% in visible light and about 90% in infrared regions
01
Coating Film Density Enhancement Technology – Establishing coating film enhancement conditions through IAD (RF Source)



- Applied to mirror coating, ELA large optical components, and HIGH POWER laser application product coatings
02
Uniformity Securing Technology - Implementing uniform coating for large products using specimens and masks
Spectral measurement data for symmetry and uniformity of 25 specimens and product positions



- Applied to large window and mirror products over 500 mm
03
Special Material Coating Technology - Securing IRG (chalcogenide) coating technology that can replace Ge materials
IRG material spectral characteristics and post-coating 3 ~ 5 μm spectral characteristic graphs

- Applied to SWIR, MWIR, and LWIR optical systems as a Ge replacement in IR optical systems
04
Possessing coating technology with low absorption, low scattering within 250 ppm (0.025%), and high reflection (maximum 99.99% or higher) required for ring laser gyroscopes
Ring laser gyroscope transmittance and low scattering measurement values

Transmittance (S-wave) | Target (ppm) | After Coating (ppm) | After Annealing (ppm) | Result | ||
---|---|---|---|---|---|---|
Plane Mirror 1 | 150 ~ 250 | 221 | 172 | 4.50 | ||
Plane Mirror 2 | 214 | 172 |

